Q. Biodiversity forms the basis for human existence in the following ways:
1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops
Select the correct answer using the codes given below:

• (A) 1, 2 and 3 only
• (B) 2, 3 and 4 only
• (C) 1, and 4 only
• (D) 1,2,3 and 4